Emergency brake



R; M cARTY .July 21, 1925.

numwrmc BRAKE FiIGd DOO. 15. 1924 Patented July 21, 1925.

PATENT OFFICE.

nus MCCARTY, or .PINEVILLE, LOUISIANA.

' EMERGENCY BRAKE.

Application filerl lleeember 1s, 1.924;. Serial No. 756,293.

To all whom it may 001mm Be t known that I, BUsH MCOARTY, a citizen of the Un ted States, residmg at Pineville, in theparish of Rapides and State of Louisiana, have invented a new and use? ing is a specification.

This invention relates tion with broken rear axles of motor vehicles, the primary obgect oftheinvention being to provide aneinergency wheel havmg means whereby the usual brake may be used to control the movements of the disabled vehicle whileit is [being towed. I An important object of the invention is to provide wheel of this character which may be readily and easily secured to the usual'rear axle housing, Lnovel means being provided for connecting the usual, brake operating mechanism to. the brake band.

forming a part of the Wheel construction.

With the foregoing and other objects in view which will appear as the descripticm proceeds, the invention resides in the combination and arrangement ofparts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed, may be made within the scope of what is claimed, without departing from thcspi'rit of the invention. it 1 Referring to the drawing:

Figure .1. is an elevational view 01" an axle disclosing an emergency wheel constructed in accordance with the invention as positioned thereon.

Figure 2 is a longitudinal sectional view through the emergency wheel and its axle.

Figure 3 is a sectional view taken on line 01- Figure 2. Figure at is a sectional view taken on line el l of Figure 2.

Referring to the drawing in detail, the emergency axle forming the subject matter this invention is shown as secured to one (311L101: the axle housing 5 which is of the usual construction and provided with the flanged member 6 at one end, forming one wall of the usual brake drum. 1 The emergency axle is shown as including a hollow section 7 formed with an outwardly extended portion 8 which is supplied with a flange 9, providing a construction similar to the usual brake drum. This iul Emergency Brake, of which the followy i to emergency wheels especially designed for use n connecflange 9 is formed with an inwardly ex tended rib 10 that provides a shoulder against which the flange member 6 engages to provide'a close lit between the auxiliary axle and the flanged member 6.

Bosses indicated at 11 are formed on the flange 9, which bosses are supplied with suitable openings to receive-the securing bolts 12 that pass therethrough and engage the clamps 13 that are drawn into close engagement with the flange member 6 by IDGZLIIQOTE the nuts 14, thereby providing means for securely mounting the auxiliary wheel and axle, forming the invention.

The usual brake band expanding arm is indicated at 16 andis operated by means of the lever 17 that is connected with the usual brake rods. The expandinghead winch llts between the adjacent ends of the brake sec-' tions is indicated at 18, and when the emergency wheel and'axlearemounted, the expanding head 18 fits into the socket men'lber 19 formed atone end of the rod 20 that passes through the tubular bearing 21,

formed integral with the outwardly extendfl ed portion 8 of the hollow section 7. Coo-peratingwith'the rod 20 is a rod 22 which is connected with the rod 20 by means ofthe tubular member 23 which is shown as positioned over the adjacentends of the rods 20 and 22 and secured in positionby means eithe pins 24..

Formed integral at one end ofthe :rod 22 is an expanding head 25 that fits between the aceut ends oi the brake member which is indicated at 26, and shown more clearly by Figure 4: of the drawing.

The brake drum against which the brake member 26 operates is indicated at 27 and is. secured to the emergency wheel 28 by means of the bolts 29 that are shown as ex tended through the hub of the Wheel and into openings formed in the brake drum 27, Where they are supplied with securing nuts 28. Supported by the tubular section 7 is a stub axle 30 on which the wheel mounted for rotation, the usual securing means not shown, and hub cap being supplied to finish the wheel construction.

From the foregoing it will be seen that should the rear axle of the vehicle become broken, the wheel may be removed together to retard the movement of the disabled vehicle being towed, it will be obvious that such braking of the vehicle will be accomplished in the usual manner, through the rods 20, 22 and brake sections 26 which are caused to operate against the inner surface of the brake drum.

I claim 1. An emergency wheel and axle including a hollow section adapted to be secured to the flanged end of an axle housing, an axle carried by the hollow section, a wheel mounted to rotate on the axle, a drum car ried by the wheel, a sectional brake member mounted in the drum, and means for oper- .ating the brake section to retard the movement of the wheel mounted on the axle.

2. An emergency wheel and axle including a tubular section, means for securing the tubular section to the flanged end of an axle housing, a wheel mounted for rotation at one end of the tubular section, a brake drum forming a part of the wheel, and means supported by the tubular section and adapted to engage within the brake drum to retard the movement of the wheel.

3. An emergency wheel and axle including a tubular section having an outwardly extended portion terminating in a flanged portion, a rib on the flanged portion providing a seat, said seat adapted to be moved into engagement with the flanged end of an axle housing, clamping members carried by the tubular section and adapted to engage the flanged section for removably securing the tubular section to the axle housing, an auxiliary Wheel carried by the tubular section and having a brake drum, and means for engaging the brake drum for retarding the movement of the auxiliary wheel.

4:. An emergency wheel and axle includ ing a tubular section, means for securing the tubular section to the flanged end of an axle housing, an axle carried by the tubular section, a wheel having a brake drum mounted for rotation on the axle, a brake member within the brake drum, and means for operating the brake member to retard the movement of the auxiliary wheel.

5. An emergency wheel and axle including a tubular section, means for securing the tubular section to the flanged end of an axle housing, a rod extending through the flanged endof the housing and carrying an expanding head on one end thereof, a rod having a socket member to receive the head, a rod having an expanding head, connected with the rod carrying the socket member, a wheel mounted for rotation adjacent to the tubular member, said wheel having a brake drum, brake sections in the brake drum, and said last mentioned expanding head adapted to operate between the brake sections to expand them to retard the movement of the wheel.

In testimony that I claim the foregoing as my own, I have hereto aflixed my signature in the presence of two witnesses.

RUSH MGGARTY.

\Vitnesses J. W. AVERY, E. E. BUoKNER. 

